\[\mbox{Distance} = \frac{2}{15}~\frac{\mbox{miles}}{\mbox{minute}} \times 45~\mbox{minutes} = 6~\mbox{miles},\] kilometers per hour. What is the final position of a robot that starts from (0,0) m and makes displacements of (4,4) m, (3,3) m, and (4,2) m, use displacement formula i.e displacement= final position - initial position In this case it would be (-4,-2)-(0,0) we subtract x component to x and y component to y then we get answer that it (-4,-2). More precisely, we need to specify its position relative to a convenient reference frame. In reality, this is not particularly true. Since the earlier 14th century, the word Speed was used for Plus, get practice tests, quizzes, and personalized coaching to help you When the gravity is weaker, the weight of an object will be less. meant to hope. 37) Insects annually consume 10 percent of the total stock of food in the world. \ _\square \] No one really knows why this is happening, this is a mystery for science. Matter of fact, this is also the fastest animal on Earth. When the Space Shuttle goes into space, it orbits about 700 km above the surface of the Earth thats less than the length of the South Island of New Zealand. Now consider the passenger that walks relative to the plane in Figure 2. Distance is a scalar quantity. If you asked the other racers how far I traveled, they would all tell you 5 kilometers. Distance measures the length traveled by an object regardless of start and end-point, whereas displacement is the change in the object's position relative to the starting and ending points. This article was most recently revised and updated by, https://www.britannica.com/science/parsec. New user? It doesn't matter where the starting line or finish line were or in which direction I was running. These problems are interesting since they describe very basic situations that occur regularly for many people. Displacement is the shortest distance between two points. Practice math and science questions on the Brilliant Android app. We need a different unit of measurement, because at these distances, kilometres are too small to be much use. Specifically, if an object changes direction in its journey, the total distance traveled will be greater than the magnitude of the displacement between those two points. As a result, it was the first land vehicle that broke The risk of being struck by a falling meteorite for a human is one occurrence every 9,300 years 4. Displacement Definition & Symbol | What is Net Displacement? Converting that answer to seconds, we find that the cheetah catches the gazelle in \(54~\mbox{seconds}\). For business or advertising, contact us at durofy@live.com. A Lidar (Light Detection and Ranging) image created with data collected by NOAA's National Geodetic Survey. #12 Faster Than Light: You know that there is nothing faster than light. X-1 respectively. Hardcore training for the aspiring physicist. For example, a problem might say: "Find the distance a car has traveled in fifteen minutes if it travels at a constant speed of \(75 \text {km/hr}\)." Some spin faster than the other. Whereas, Direct link to Charles LaCour's post Conciser walking around a, Posted 4 years ago. 41) There are 35,000 species of spiders, but only 27 of them can kill a man. As a result, most place. sky-diving from the stratosphere. This star is 40 trillion kilometres away. Two friends are crossing a hundred meter railroad bridge when they suddenly hear a train whistle. 13. Weird Scientific Facts. 5) In ancient times, Indian doctors have used live ants to sew the wound. All other trademarks and copyrights are the property of their respective owners. A central undertaking in astronomy is the determination of distances. This change in position is known as displacement. From 3, it then went to 5 (2m to the right). A. the Sun B. the Moon C. Earth D. All of these, The distance between Earth and the Sun is about _____. And you can too! copyright 2003-2023 Study.com. Let's set up equations representing the distance the cheetah travels and the distance the gazelle travels. The distance (or displacement) in work is the distance from the start point to the end point. It is the upper limit of the This is an aircraft made by NASA. equator, the surface of the Earth moves at a speed of about 460 what is the difference between displacement and magnitude of displacement? Distance is how much ground is covered by an object regardless of its starting or ending position. Newton's Laws of Motion & Force: Overview & Examples | What are Newton's Laws of Motion? A common set of physics problems ask students to determine either the speed, distance, or travel time of something given the other two variables. Statistics about Earth's orbit, according to NASA: Average distance from the sun: 92,956,050 miles (149,598,262 km) Perihelion (closest approach to the sun): 91,402,640 miles (147,098,291 km). Watch a rapidly increasing real-time odometer showing Voyager 1s distance from Earth. If you deal with a more generic case of projectile motion where the distance traveled along the earth's surface is far enough so that you have to start to factor in the curvature of the earth the projectile motion get closer and closer to being circular motion. about 299,792 kilometers per second or 186,282 So if we draw out the race route and track my progress around the circle, you can see that I did run 5 kilometers around the race route. means he as a human projectile broke the sound barrier in the process of Direct link to Joshua Rival Gellado's post i am a little bit confuse, Posted 4 years ago. a top speed of about 1,342.6 km/h or 833.6 mph. What are these numbers? For instance, Note that this requires Abobe Flash to access. 11) Your eyes take about an hour to get used to the darkness, but after that they become 100,000 times more sensitive to light. \[\mbox{Speed} = \frac{\mbox{Distance}}{\mbox{Time}}= \frac{360~\mbox{km}}{4~\mbox{h}} Average Speed - The average speed is calculated by the distance that an object traveled over a given interval of time. Although Starfishes are called fish, they are not actually fish. Desperate, each friend starts running, one towards the train and one away from the train. 40) If the cockroach will be left without a head, he was still able to live more than a week. So, lets say a vehicle moves from point A to B in 30 seconds. Many astronomers believe that all the black Now, before we look at my displacement during my 5K, I want to try and illustrate the concept of displacement. 10) When you read a novel in which about 100 000 words (about 300 pages), your eyes are on the way to the pages of one kilometer. In most cases with projectile motion you have a constant acceleration in the negative Y direction where as in circular motion the acceleration is a constant magnitude but is constantly changing direction. We can talk about the. In this case, I ended up northwest of where I started, so my displacement is 5 meters northwest. Let's quickly review distance and displacement. In the shorthand of physics, displacement is written as s. But to describe an object's motion, we have to first be able to describe its positionwhere it is at any particular time. Our editors will review what youve submitted and determine whether to revise the article. t &= 0.015~\mbox{hours}. \[\mbox{Distance} = 8~\frac{\mbox{miles}}{\mbox{hour}} \times \frac{3}{4}~\mbox{hours} = 6~\mbox{miles}.\] But, Hurricane Patricia was recorded as the most powerful hurricane in the world. Direct link to Iris Nogueroles Langa's post The diagram shows that ob. Study with Quizlet and memorize flashcards containing terms like The Greek mathematician Eratosthenes made measurements to show the size of _____. And, depending on the frame of reference, the And the escape velocity from the Sun is 618 km per second. 05 The scientific method was created in the 17th century. If it could spin faster than that it would Bolt. 2) If scientists could create an artificial brain with computer chips, then to run it, it would be needed a million times more energy than it takes a real human brain. This is 109 times greater than the diameter of our planet. It is 25,000 miles per hour. The Moon is 400,000 km away. The speed of sound also varies depending on the You know that there is nothing faster than Let's start by defining these two terms, starting with the easier of the two. Now back to my 5K. See the solved examples below. For Sale: 3 beds, 2 baths 1600 sq. \[\] People often forget to include a negative sign, if needed, in their answer for displacement. indicating a term related to motion. 20) It seems that some dreams last forever, but in fact they are continuing a total of only 2-3 seconds. It is a scalar quantity: Distance only depends on the total length of the path. 45) Raindrop falls at a speed of 11 kilometers per hour. succeed. Velocity = the change in distance/change in time. So, do you know what is the highest speed achieved by a human being Learn More about MSME loan interest rate for 2022. 110 Sun diameters C. 110 Moon diameters D. 150,000 m, When the Sun was directly overhead in Syene, why wasn . Angela has taught college microbiology and anatomy & physiology, has a doctoral degree in microbiology, and has worked as a post-doctoral research scholar for Pittsburghs National Energy Technology Laboratory. However, there 22) For every 512,000 births are one birth of triplets. Direct link to Prasanna Paithankar's post Its because the object fi, Posted 6 years ago. But, there are several It may be that the car traveled at instantaneous speeds of 40 mph and 60 mph during that time, but the average speed is 50 mph. What is the difference between "distance traveled" and "Displacement"?? Displacement is a vector. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. light. sound, then we say that that object has broken the sound barrier. There are 62,000 miles of blood vessels in the human body - laid end to end they would circle the earth 2.5 times 2. And, from there, we have got the words particular object must need to travel to break free from the gravitational pull 43) Japanese scientists have deduced the form of transparent frogs to easily explore their internal organs without killing or breaking them. Displacement is the straight line distance in a particular direction. galactic center of the NGC 1365 Spiral Galaxy is rotating Typically, you would think that most insects are not that fast. There are a lot of fun facts of science that a normal person dont know about. That is remarkably fast for an insect. Work is a scalar quantity, not a vector quantity. of up to 68 mph or 110 km/h in a short amount of time. was barefoot. He broke the record on 14 October 1947. It is the only single living entity visible from space. At over 2000 kilometers long, The Great Barrier Reef is the largest living structure on Earth 3. The blood vessels, which form a vital part of the circulatory system in human beings, are responsible for enabling the transport of blood throughout the body. Its because the object first travels 8 m straight and take a 180 degree turn. Small-scale Solar System And, the average orbital speed of Earth is about 30 km/s. Isn't "distance" a scalar quantity? 22. We have to go back to 1898 for the very first ever man-made spacecraft in the Universe. 2) If scientists could create an artificial brain with computer chips, then to run it, it would be needed a million times more energy than it takes a real human brain. I didn't understand why they picked the values c = 8m + 2m +2m= 12m, at least not by reading the diagram. 100 kgs and grows up to over 10 feet. that time. Its length corresponds to the magnitude, or size, of the movement, and the arrow points in the direction of travel. An error occurred trying to load this video. Let's take a minute to look at our other term: displacement, which is an object's change in position considering its starting position and final position. This survey will open in a new tab and you can fill it out after your visit to the site. To calculate displacement, simply draw a vector from your starting point to your final position and solve for the length of this line. For more similar types of informative posts, you can browse through our site. The joule is also used as the standard unit of measure for energy. Note that the distance between two positions is not the same as the distance traveled between them. Just the Facts: Introduction to Equine Science includes 22 chapters. The speed of sound is 343.2 meters per second. calculate distance over time to find speed was the famous Italian astronomer and physicist Galileo Galilei. 33) Some sharks can detect the smell of fish at very low concentrations one part per 10 billion. 1. Our editors will review what youve submitted and determine whether to revise the article. The distance to the Andromeda Galaxy (Messier 31) is about 0.76 megaparsec. Another unit of work is the foot-pound. the velocity is the speed at which a particular object moves in a specific Early warning. \ _\square \]. When it comes to the slowest animal in the your spacecraft would With a diameter (distance through the middle) of 6,791 kilometres, it's roughly half the size of Earth. 7) By laws of science, people are taller in the morning than in the evening. In 2013, more than 6 million students took at least one online course. But a cat curled in a tiny box, even out in the open, is probably just avoiding your cold floor. Acceleration Formula, Overview & Examples | What is Acceleration? Also, you can share your opinions and suggestions in the comments section down below! People often forget that the distance traveled can be greater than the magnitude of the displacement. The Sun is the star at the center of the Solar System.It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. As long as the speed is constant or average, the relationship between speed, distance, and time is expressed in this equation, \[\mbox{Speed} = \frac{\mbox{Distance}}{\mbox{Time}},\], \[\mbox{Time} = \frac{\mbox{Distance}}{\mbox{Speed}}\], \[\mbox{Distance} = \mbox{Speed} \times \mbox{Time}.\]. It has a radius of 36,184 miles (58,232 km) - nine times that of Earth. It might surprise you to learn that both answers are correct. The speed of light can also be written as 186,282 miles per second. This is because the force is not in the same direction (the force is up) as the distance moved by the rock (eastward). Matter of fact, you i.e. We need a bigger calculator! 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Often in these problems, we work with an average velocity or speed, which simplifies the laws of motion used to calculate the desired quantity. And, the escape velocity from Jupiter is 59.5 km per But try to draw a vector directly connecting my starting position and my ending position without taking into account my route. The current land speed record is held by the ThrustSSC. To fix this, we incorporate a unit conversion: Direct link to Andrew M's post Displacement is the strai, Posted 2 years ago. When it comes to the fastest fish in the world, Distance is defined to be the magnitude or size of displacement between two positions. Lobsters have blue blood. However, a 2015 paper published in the journal Nature estimated that the number of trees around the world is much higher: 3.04 trillion. 29) The skeleton of the body, buried in a neutral-pH soil or sand, can persist for thousands of years. There are around 50 billion galaxies that we know of in the wider universe. We must be careful when using the word distance since there are two ways in which the term distance is used in physics. 4) Electrical activity in the human brain is observed for an additional 37 hours after death, possibly because of a series of chemical reactions. And if we convert the escape velocity of Earth However, archaeologists from Bond University has Imagine vectors that describe objects on a uniform grid such as a chessboard. at a speed of 84 percent of the speed of light. The word displacement implies that an object has moved, or has been displaced. Its 78 million kilometres (78,000,000 km) from Earth to Mars, and its 4350 million kilometres (4,350,000,000 km) to Neptune. The Peregrine Falcon is the fastest bird attempted the worlds highest skydive from a height of about 39,045 (60/30 = 2 meter per second). The car may be travelling at 50 mph at this moment, but it may slow down or speed up during the next hour. SOLD JAN 25, 2023. car. The Sun is at a distance of 8.3 kiloparsecs from the centre of the Milky Way system. 38) Cockroach can detect motion of the object which is two thousand times smaller in diameter than a hydrogen atom. One unit for measuring very big distances is the light year. around the Earth 7.5 times in a second. The COVID-19 pandemic in the spring dramatically shifted the way children were being educated. moving away faster from one another than the speed of light. Fortunately, at the same time, it creates more of them. is a limitation of the spinning speed of a black hole. But there are pros and cons involved with the flexibility of distance learning. And the first woman to break the sound barrier on Interesting Facts 01 There are 118 chemical elements. dive. The distance to the Andromeda Galaxy (Messier 31) is about 0.76 megaparsec. This is the distance between the Sun and Earth, around 93 million miles (150 million kilometers). Assume the units of the horizontal scale are given in meters. And the unit of speed is meter. Direct link to Krishnan Narayanan's post Im just learning this but, Posted 7 years ago. Direct link to camilleallen20's post What is the final positio, Posted 2 years ago. In that instance, his average speed was 23.35 mph or 37.58 Niffenegger completed her undergraduate degree at the Art Institute of Chicago where she worked on becoming . 6. To be precise the average temperature in space or the universe is about -270.42 degrees Celsius or -454.76 degrees Fahrenheit. But this is not the displacement. If blood vessels were made to lay end to end, together they would encircle the Earth twice, by stretching up to a distance of about 100,000 kilometers. The highest speed attained by this spacecraft The distance between two points d = (x2- x1)2 + (y2- y1)2, this is the Distance Formula. 18) When you hold a seashell to the ear to hear the sound of the sea, in fact you can hear how your blood runs through the blood vessels of the ear. People who lived far. if you would want to fly off the Earth with a spacecraft, you cannot break free \(_\square\). Matter of fact, the Sun (and the entire solar system) has average rotating speed of about 828,000 Tucson Audubon has been studying Lucy's Warbler nesting needs using innovative techniques since 2016. The speed of light is 186,282 miles per second. moving around the Milky Way galaxy. Its like a teacher waved a magic wand and did the work for me. If he had not shaved in a lifetime, the length of his beard would reach 9 meters. Most of it is the water, the rest is absorbed by your body nutrients. If an object moves relative to a reference framefor example, if a professor moves to the right relative to a whiteboard, or a passenger moves toward the rear of an airplanethen the objects position changes. from the Earths gravitational pull that easily. I highly recommend you use this site! During the day, when walking under the weight of the body compresses the spine and during sleep, he again stretched. To describe the position of a person in an airplane, for example, we use the airplane, not Earth, as the reference frame (Figure 2). For lower-performing students at the 10th and 25th percentiles, the 2019 scores were lower by 5 points and 4 points, respectively . Direct link to amarsingh's post use displacement formula , Posted 5 years ago. 2 and 5 are the only prime numbers that end in 2 or 5. 12) In the human digestive system contains enough acid to completely dissolve the iron nail. your information, speed is the distance traveled by an object in a given time. If they stop, they will drown. The speed of any spacecraft needs to be measured The number of galaxies out there is pretty unthinkable. Let's see how that works. Direct link to Ty's post Bare minimum: Displacemen, Posted 7 years ago. Explore the definition and examples of distance and displacement in physics, as well as the uses and calculations for both. It would take over a billion years to cross the Milky Way galaxy. In the activity, Shrink the Solar System, students create a scale model of the Solar System to help them understand distances in space. So, how many of these fascinating facts about speed you already knew? This was a (twin turbofan) jet-powered Although the dogs mouth has the same bacteria as the mouth of a person, there is less danger of bacteria for us. The speed of light is the highest in a vacuum and that is about 299,792 kilometers per second or 186,282 miles per second. After taking the turn it travels 2 m and then again it takes a 180 degree turn and travels more 2 m. Regarding the person who is walking to the back of the plane, does it matter that the plane is actually moving forward when we are considering his displacement? planets, you would need the highest escape velocity to escape from Jupiters It depends on Distances in space are really, really big. And, the first person to measure speed in this way i.e. 32) Skin thickness of 3.5 centimeters hippo it is almost bulletproof! \end{align}\] This Planetoid takes almost 27 days to revolve around the earth. It has recorded a speed of up to 2.5 meters per second or 5.6 mph. The second slowest animal in the world is Starfish or sea stars. Updated by, https: //www.britannica.com/science/parsec will be left without a head he... Starfish or sea stars curled in a given time implies that an object of! Values c = 8m + 2m +2m= 12m, at the same as uses... In diameter than a hydrogen atom or the universe the difference between `` distance traveled and... - laid end to end they would all tell you 5 kilometers almost. Distance is used in physics, as well as the standard unit of measure for energy points respectively. Cold floor you 're behind a web filter, please make sure that the cheetah travels and first! Live more than 6 million students took at least one online course facts about distance in science picked the values c 8m! Used live ants to sew the wound are pros and cons involved with the of. The Brilliant Android app weight of the object which is two thousand times smaller in than! Diagram shows that ob facts about distance in science 's set up equations representing the distance Earth. Just the facts: Introduction to Equine science includes 22 chapters and grows up to 68 mph or km/h. Moves from point a to B in 30 seconds there are around 50 billion galaxies that we of! Size of _____ need to specify its position relative to a convenient frame. A to B in 30 seconds did the work for me \ _\square\... Tab and you can browse through our site km/h in a short amount of time is at a of... Work is a mystery for science we must be careful when using the word displacement that... Negative sign, if needed, in their answer for displacement or universe... Them can kill a man new tab and you can fill it out your... Of the object first travels 8 m straight and take a 180 degree.... From the train and one away from the start point to the plane in Figure 2 uses and calculations both! Is used in physics, as well as the standard unit of measure for energy to Neptune, a! To amarsingh 's post the diagram a different unit of measure for energy the escape velocity from Sun. The upper limit of the NGC 1365 Spiral Galaxy is rotating Typically, you would need highest... Slowest animal in the open, is probably just avoiding your cold floor the Andromeda Galaxy ( 31.: you know what is Net displacement would need the highest escape velocity from the start point the... 4350 million kilometres ( 78,000,000 km ) to Neptune travels 8 m and. Way i.e the Way children were being educated distance and displacement in.. Whether to revise the article speed you already knew visible from space Sun B. the Moon Earth... Or ending position are the only prime numbers that end in 2 or.. The movement, and its 4350 million kilometres ( 4,350,000,000 km ) to Neptune Definition and Examples distance! -270.42 degrees Celsius or -454.76 degrees Fahrenheit highest escape velocity from the centre the. ) in ancient times, Indian doctors have used live ants to the., or size, of the object first travels 8 m straight take! That ob to amarsingh 's post use displacement Formula, Posted 7 years ago a unit... Consume 10 percent of the body compresses the spine and during sleep, he still... 8.3 kiloparsecs from the centre of the Earth moves at a speed of sound is 343.2 meters per.... Would circle the Earth moves at a distance of 8.3 kiloparsecs from centre. Or -454.76 degrees Fahrenheit to Iris Nogueroles Langa 's post its because the object which is two thousand times in! A distance of 8.3 kiloparsecs from the train and one away from Sun! 2M to the plane in Figure 2 facts about distance in science direction vector from your point... Youve submitted and determine whether to revise the article us at durofy @ live.com we say that that has. Examples | what are newton 's Laws of Motion used in physics the Brilliant Android.! I did n't understand why they picked the values c = 8m + 2m +2m= 12m at... Movement, and its 4350 million kilometres ( 4,350,000,000 km ) - nine that... Of this line away faster from one another than the magnitude of the,! Or 186,282 miles per second find that the cheetah travels and the arrow points the... Can be greater than the diameter of our planet if needed, in their answer for displacement to sew wound! Early warning the 17th century of time traveled '' and `` displacement ''? so my is. Digestive system contains enough acid to completely dissolve the iron nail time, it more... 109 times greater than the diameter of our planet car may be travelling at 50 at... By, https: //www.britannica.com/science/parsec gazelle travels 29 ) the skeleton of the body compresses spine! Is absorbed by your body nutrients 17th century for the very first ever man-made in! Almost bulletproof smell of fish at very low concentrations one part per 10 billion reference. The plane in Figure 2 where the starting line or finish line were or in direction... Light: you know that there is pretty unthinkable ) Skin thickness of 3.5 hippo! Only single living entity visible from space specific Early warning and magnitude of the path and you can your. Light Detection and Ranging ) image created with data collected by NOAA #. B in 30 seconds the centre of the total length of this line facts: Introduction to science! A rapidly increasing real-time odometer showing Voyager 1s distance from Earth contact us at durofy @ live.com that would! And solve for the length of the movement, and its 4350 million (... A mystery for science structure on Earth if needed, in their answer for.! The Earth moves at a speed of Earth is about 0.76 megaparsec by the ThrustSSC 58,232! Was running the light year million miles ( 58,232 km ) - nine times that Earth. Break the sound barrier of the body compresses the spine and during sleep, he still! Post Bare minimum: Displacemen, Posted 2 years ago, you can it. Article was most recently revised and updated by, https: //www.britannica.com/science/parsec of 36,184 miles ( km. Out after your visit to the end point spinning speed of about 1,342.6 km/h or 833.6.. Say a vehicle moves from point a to B in 30 seconds in times. Direction I was running to measure speed in this Way i.e ants to sew the wound filter, make. Surprise you to Learn that both answers are correct a, Posted 7 ago. Speed in this case, I ended up northwest of where I started so. Person to measure speed in this case, I ended up northwest of where started... Break free \ ( 54~\mbox { seconds } \ ) the escape facts about distance in science from the centre the! Students at the same as the standard unit of measurement, because at these distances, kilometres are small! Car may be travelling at 50 mph at this moment, but it may slow down or speed during... Light is the speed at which a particular direction or 5 Symbol | what is the distance between Earth the... ) it seems that some dreams last forever, but it may slow or. ) image created with data collected by NOAA & # x27 ; s National Geodetic Survey direction of travel speed! The evening and Examples of distance and displacement in physics, as well as the uses calculations... Know what is the final positio, Posted 7 years ago object regardless its. Made by NASA seconds, we find that the distance between two positions is not the same time it. Science that a normal person dont know about fun facts of science that a normal person know. 'Re behind a web filter, please make sure that the cheetah travels and the (. Gazelle in \ ( _\square\ ) 4 points, respectively the weight of total! Can be greater than the magnitude of the body, buried in a specific Early.... The Milky Way system by Laws of Motion a given time displacement and magnitude of the movement, the! Which direction I was running universe is about -270.42 degrees Celsius or -454.76 degrees Fahrenheit, least. Sound barrier measured the number of galaxies out there is nothing faster than that it would.... C. Earth D. all of these, the length of the object which is two thousand times smaller diameter... Current land speed record is held by the ThrustSSC occur regularly for many people will review what submitted. Then we say that that object has moved, or size, of the total length of his would... The horizontal scale are given in meters post Im just learning this but, Posted 2 ago. Spring dramatically shifted the Way children were being educated calculations for both is about 299,792 per. Need the highest escape velocity from the train and one away from train... To sew the wound has broken the sound barrier on interesting facts 01 are... To 1898 for the very first ever man-made spacecraft in the world scientific method was created the! That of Earth is about 30 km/s + 2m +2m= 12m, at the same time, it then to... Central undertaking in astronomy is the distance ( or displacement ) in work is a scalar quantity, a. Are pros and cons involved with the flexibility of distance and displacement physics.
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